What is the cause of this problem?

Refer to the exhibit.

A developer is troubleshooting an API with the given API with the given API documentation and cURL command.

What is the cause of this problem?
A . The user is not allowed to post massages from their account
B . The request body is missing or incomplete
C . The API token specified is expired
D . The authorization header is missing or incomplete

View Answer

Answer: C